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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

Agnishom
2012-09-09 11:59:03

Hmmmmmm..................
That set of problem had another problem which I shall be posting in a new thread

noemi
2012-09-09 02:23:50

OA+OB<CA+CB
OB+OC<AB+AC
OC+OA<BC+BA

adding all those you get what you need, assuming CA=AC etc.

Agnishom
2012-09-09 01:56:12

Please somebody help me!

Agnishom
2012-09-09 01:55:11

noemi wrote:

Hint for 1.:
OA+OB<CA+CB

Why?

noemi
2012-09-08 23:27:25

Hint for 1.:
OA+OB<CA+CB

Agnishom
2012-09-08 22:37:29

I remember doing it at the 7th Grade, but what about 1.?

bob bundy
2012-09-08 22:28:22

Excellent!

I am hoping there's a similar way to do Q1 but, so far, it has eluded me.

Bob

Agnishom
2012-09-08 22:15:42

I did 2.





Adding all those,

bob bundy
2012-09-08 20:59:19

hi Agnishom

Here's a start for number 2.

AO + OB > AB

Bob

Agnishom
2012-09-08 19:03:01

Let there be a triangle ABC and O a point inside it.
Now, how can I prove that:
1.


2.

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